MISRA C:2012  Rule-1.2:  (Advisory)			Language extensions should not be used

QAC messages that encompass this guideline:

0240	[E] This file contains the control-M character at the end of a line.
0241	[E] This file contains the control-Z character - was this transferred from a PC?
0246	[E] Binary integer constants are a language extension.
0551	[E] Cast may not operate on the left operand of the assignment operator.
0601	[E] Function 'main()' is not of type 'int (void)' or 'int (int, char *[])'.
0633	[E] Empty structures and unions are a language extension.
0635	[E] Bit-fields in this struct/union have been declared with types other than int, signed int or unsigned int.
0660	[E] Defining an unnamed member in a struct or union. This is a language extension.
0662	[E] Accessing a member of an unnamed struct or union member in this way is a language extension.
0830	[E] Unrecognized text encountered after a preprocessing directive.
0831	[E] Use of '\\' in this '#include' line is a PC extension - this usage is non-portable.
0899	[E] Unrecognized preprocessing directive has been ignored - assumed to be a language extension.
1001	[E] '#include %s' is a VMS extension.
1002	[E] '%s' is not a legal identifier in ISO C.
1003	[E] '#%s' is a language extension for in-line assembler. All statements located between #asm and #endasm will be ignored.
1006	[E] This in-line assembler construct is a language extension. The code has been ignored.
1008	[E] '#%s' is not a legal ISO C preprocessing directive.
1012	[E] Use of a C++ reference type ('type &') will be treated as a language extension.
1014	[E] Non-standard type specifier - this will be treated as a language extension.
1015	[E] '%s' is not a legal keyword in ISO C - this will be treated as a language extension.
1019	[E] '@ address' is not supported in ISO C - this will be treated as a language extension.
1020	[E] '__typeof__' is not supported in ISO C, and is treated as a language extension.
1021	[E] A statement expression is not supported in ISO C, and is treated as a language extension.
1022	[E] '__alignof__' is not supported in ISO C, and is treated as a language extension.
1026	[E] The indicated @word construct has been ignored.
1028	[E] Use of the sizeof operator in a preprocessing directive is a language extension.
1029	[E] Whitespace encountered between backslash and new-line has been ignored.
1034	[E] Macro defined with named variable argument list. This is a language extension.
1035	[E] No macro arguments supplied for variable argument list. This is a language extension.
1036	[E] Comma before ## ignored in expansion of variadic macro. This is a language extension.
1037	[E] Arrays of length zero are a language extension.
1038	[E] The sequence ", ##__VA_ARGS__" is a language extension.
1041	[E] Empty aggregate initializers are a language extension.
1042	[E] Using I64 or UI64 as an integer constant suffix. This is a language extension.
1043	[E] Defining an anonymous union object. This is a language extension.
1044	[E] Defining an anonymous struct object. This is a language extension.
1045	[E] Use of the #include_next preprocessing directive is a language extension.
1046	[E] Function is being declared with default argument syntax. This is a language extension.
3664	[E] Using a dot operator to access an individual bit is a language extension.

Related rules:

Dir-4.2	All usage of assembly language should be documented
Rule-6.1	Bit-fields shall only be declared with an appropriate type
Rule-20.2	The ', " or \ characters and the /* or // character sequences shall not occur in a header file name

(c) The Motor Industry Research Association, 2012

QA C Source Code Analyser 8.1.2 MISRA C:2012 Compliance Module 1.0 © 2013 Programming Research www.programmingresearch.com

Personality Groups | Glossary | Message Index | MISRA C:2012 Rule Index

Contents